(0 7 6)(1 20 3)(2 12 4)(5 15 13)(8 16 10)(9 18 11)(14 19 17)
ALLOWS (11/8)-SEQUENCE
1: (3 9 18)
(0 7 6)(1 20 3 11 9)(2 12 4)(5 15 13)(8 16 10)(14 19 17)(18)
2: (2 12 4)
(0 7 6)(1 20 3 11 9)(2)(4)(5 15 13)(8 16 10)(12)(14 19 17)(18)
3: (8 16 10)
(0 7 6)(1 20 3 11 9)(2)(4)(5 15 13)(8)(10)(12)(14 19 17)(16)(18)
4: (1 11 9)
(0 7 6)(1)(2)(3 11 20)(4)(5 15 13)(8)(9)(10)(12)(14 19 17)(16)(18)